1812.6.3 Minimum dimensions.
BC § 1812.6.3
Concrete-filled steel pipe and tube piles shall have a nominal outside diameter of not less than 8 inches (203.2 mm) and a minimum wall thickness in accordance with Section 1811.7.4. For concrete-filled steel pipe and tube piles driven with a mandrel, the minimum wall thickness shall be 1/10 inch (2.5 mm).













